Jbl Xtreme Update Firmware — Certified & Verified
Turn on your JBL Xtreme and pair it with your phone via Bluetooth (Settings → Bluetooth → JBL Xtreme).
Look for a gear icon (Settings) or a section labeled “Speaker Version” / “Firmware Update”. Tap “Check for updates”. jbl xtreme update firmware
Launch JBL Connect. It should detect your Xtreme automatically. Tap on the speaker icon. Turn on your JBL Xtreme and pair it